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Exchange 5.5 eating up c: drive

I am running an Exchange 5.5 server on NT 4.0 sp6a. It works really well. I have about 50 user mailboxes. The private information store is app. 3.3 Gb.

The problem is the information store is on c: and d:. I inherited this system. It has been running for about 2 years and now we are using a lot more email, some with large attachments.

I tried to move the files to the d: drive but the Exchange Optimizer says the files already exist on the d: drive (they do, there is an almost equal amount on both drives). I am stuck. I only have about 795 Mb of available hard disk space left on the c: drive (less every day). I even compressed the c: drive because I had gottne down to about 150 Mb of free space. I cannot run the eseutil without having at least free disk space equal to the size of the information store.

Exchange 5.5 eating up c: drive

Try and see if there is a postmaster account that has a mailbox (it may be hidden). Attach to that mailbox and clean it out. It keeps a copy of every e-mail sent and can grow very large quickly(especially if there are large attachments).

Exchange 5.5 eating up c: drive

Here is how you move it to d: with out running the optimizer.Ensure you have a good backup before doing this.1. Shutdown the Information store service.2. Delete the files from \exchsrvr\mdbdata3. Copy the files for c:\exchsrvr\mdbdata to d:\exchsrvr\mdbdata4. Here is the infamous registry part.start regedt325. Goto HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\Services\MicrosoftIS\ParametersPrivatechange DB Path from c:\exchsrvr\mdbdata\priv.edb to d:\exchsrvr\mdbdata\priv.edb

Exchange 5.5 eating up c: drive

This was the answer I needed. I was going crazy. The only problem with the answer is the regedt32 key is HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\Services\ExchangeIS\ParametersPrivate. Good call though got me where I needed to be.

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